GROUP 4. ie 
Thorax convex, quadrate. 
Humeral lunule perpendicularly inflexed and bent upwards at tip (fig. 137), 
thorax very hairy, that of the 9 more flattened; brown or greenish...... 
hirticollis Say. 
Humeral lunule as in wulgaris, markings usually connected by a white marginal 
band, which is separated from the margin by narrow black stripe 
(fig.138); green, brown or black; thorax finely granulate. -cinctipennis Lec. 
Without the white margin, middle band distant from the margin; black or 
brown, imperfecta Lec. (fig. 70). 
With only five distinct round white spots, one humeral, two submarginal, one 
anteapical and one discoidal on each elytron; the apical part entirely want- 
ing; thorax alutaceous, not rugous or granulate........ rectilatera Chand. 
GROUP 5. 
Thorax subcylindrical, front bald. 
Elytra punctured, with long slender markings, middle band slightly bent, ob— 
lique, connected with a marginal white line (fig. 140) .. tenuisignata Lec. 
Elytra densely punctured with a row of unusual large green foveze near the 
suture, humeral lunule and middle band indicated by scattered punctures, 
apical lunule complete; black shining.................. punctulata Oliv. 
Green variety with same markings micans Fab. 
Elytra dispersedly deeply punctured, punctures often green, with narrow mare 
ings, middle band very tortuous, margin with a supplementary spot before 
the apical lunule; brown bronze or greenish................tortwosa Dej. 
GROUP 6. 
-Vhorax broadest behind; elytra broad, depressed, white, with exceptional green mark- 
4 ISeo(die ON) scly ora of O angulated’ 2) 00°) 2 eee cae nee dorsalis Say. 
Specimens without the markings (fig. 92). Smaller specimens, (fig. 93) 
media Lec.; still smaller (fig. 94) with markings somewhat heavier Sauleyi 
Querin. : 
THIRD DIVISION. 
Humeral angles distinct, winged species. Underside unicolorous, but the hind troch— 
anters rufous; shape of elytra in Q and j' usually different. Maritime, 
salt-marsh or fluviatile species. Eyes very large, prominent; legs very long. 
GROUP I. 
_ Cylindrical, moderately stout species, anus green. 
Right mandible of ,j' toothed beneath, suture of -f’ retracted, 
Mandibular tooth feeble; elytral apex of J’ rounded; an emargination and spimi- 
form prolongation of the inflexed portion of the retracted suture mm the Q 
(pL ay ee aera. Faas JOUC UG oHS oo oBIdeiDeoc os le clalkoalayy), Jinallle, 
Mandibular tooth moderate; elytral apex with a slight sinuation near the suture, 
* which is acutely but feebly prolonged in the </'; the 9 has the suture 
retracted with slight emargination and the inflexed portion squarely 
truncate’ (ple NE VANDI Sy ash acinar) MAEM uate OE marginata Fab. 
82 BULLETIN BROOKLYN EN'TOM. SOC. VOL. VI. November 1883.) 
ee Se 
